Introducing the Donaldson safety air filter, an essential backup solution for your air intake system. Designed to step in when the primary filter is damaged or improperly installed, it acts as a reliable safeguard against contaminants. This filter is engineered to swiftly plug in the event that any contamination bypasses the primary filter, providing a clear alert to operators. With precise measurements of 9.33 inches in length, 2.12 inches in inside diameter, and 3.27 inches in outside diameter, this safety filter adheres to ISO 5011 standards, ensuring quality and performance. Trust in the Donaldson brand to deliver a dependable solution for your filtration needs.